Thursday
May 23, 2013

# Homework Help: math

Posted by frank on Saturday, September 8, 2007 at 6:40pm.

lim as x approaches 0 of (3 sin 4x) / sin 3x

• math - Chris, Saturday, September 8, 2007 at 6:45pm

• math - Count Iblis, Saturday, September 8, 2007 at 6:52pm

Lim x-->0 of (3 sin 4x) / sin 3x

Both the numerator and denominator are zero in this limit, so you can use L'Hopital's rule.

Lim x-->0 of (3 sin 4x) / sin 3x =

Lim x-->0 (12 cos 4x) / (3 cos 3x ) = 4

• math - frank, Saturday, September 8, 2007 at 7:04pm

thanks Iblis

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